Patents by Inventor Ryo Sogawa

Ryo Sogawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Patent number: 6960573
    Abstract: Compounds expressed by the following general formula (1), [wherein, R01 and R02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the following formulae (1-1), (1-2), (1-3), (1-4) and (1-5)]. The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid arthritis, osteoporosis, diabetes mellitus, hypertension, alopecia, acne, psoriasis, dermatitis, hypercalcemia, hypoparathyroidism and metabolic disorder of cartilage.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: November 1, 2005
    Assignee: Teijin Limited
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Parathyroid hormone production inhibitors containing vitamin d3 derivatives
    Publication number: 20050101574
    Abstract: An agent for suppressing the production of parathyroid hormone and a remedy for hyperparathyroidism containing a vitamin D3 derivative described by the following general formula (1) [in the formula, m is an integer of from 1 to 3, q is an integer of from 0 to 3, r is an integer of from 0 to 3 and X is carbon atom or oxygen atom, provided that 1?q+r?3] as an active ingredient.
    Type: Application
    Filed: August 29, 2001
    Publication date: May 12, 2005
    Inventors: Seiichi Ishizuka, Daishiro Miura, Kenji Manabe, Qingzhi Gao, Ryo Sogawa, Kazuya Takenouchi
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Patent number: 6867313
    Abstract: Compounds expressed by the following general formula (1), [wherein, R01 and R02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the following formulae (1-1) to (1-5)]. The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid arthritis, osteoporosis, diabetes mellitus, hypertension, alopecia, acne, psoriasis, dermatitis, hypercalcemia, hypoparathyroidism and metabolic disorder of cartilage.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: March 15, 2005
    Assignee: Teijin Limited
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Patent number: 6689766
    Abstract: Compounds expressed by the following general formula (1), [wherein, R01 and R02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the following formula (1-5)]. The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid arthritis, osteoporosis, diabetes mellitus, hypertension, alopecia, acne, psoriasis, dermatitis, hypercalcemia, hypoparathyroidism and metabolic disorder of cartilage.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: February 10, 2004
    Assignee: Teijin Limited
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Patent number: 6548489
    Abstract: Compounds expressed by the following general formula (1), [wherein, R01 and R02 are each independently a hydrogen atom or a protecting group for a hydroxyl group; Z is one out of the following formulae (1-1) to (1-5)]. The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid arthritis, osteoporosis, diabetes mellitus, hypertension, alopecia, acne, psoriasis, dermatitis, hypercalcemia, hypoparathyroidism and metabolic disorder of cartilage.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: April 15, 2003
    Assignee: Teijin Limited
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D, derivatives and remedies for inflammatory respiratory diseases containing the same
    Patent number: 6531460
    Abstract: Compounds expressed by the following general formula (1), The compounds can be used as active ingredients of treating agents for inflammatory respiratory diseases, malignant tumors, rheumatoid arthritis, osteoporosis, diabetes mellitus, hypertension; alopecia, acne, psoriasis, dermatitis, hypercalcemia, hypoparathyroidism and metabolic disorder of cartilage.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: March 11, 2003
    Assignee: Teijin Limited
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D3 dervative and treating agent for inflammatory respiratory disease using same
    Publication number: 20020132799
    Abstract: Compounds expressed by the following general formula (1), 1
    Type: Application
    Filed: January 4, 2002
    Publication date: September 19, 2002
    Applicant: TEIJIN LIMITED
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Cyclic amine derivatives and their use as drugs
    Patent number: 6451842
    Abstract: A compound represented by the general formula (I), a pharmaceutically acceptable acid addition salt thereof or a pharmaceutically acceptable C1-C6 alkyl addition salt thereof, and their medical applications. These compounds inhibit the action of chemokines such as MIP-1&agr; and/or MCP-1 on target cells, and are useful as therapeutic and/or preventative drugs in diseases, such as atherosclerosis, rheumatoid arthritis, and the like where blood monocytes and lymphocytes infiltrate into tissues.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: September 17, 2002
    Assignees: Dupont Pharmaceuticals Company, Teijin Limited
    Inventors: Tatsuki Shiota, Ken-ichiro Kataoka, Minoru Imai, Takaharu Tsutsumi, Masaki Sudoh, Ryo Sogawa, Takuya Morita, Takahiko Hada, Yumiko Muroga, Osami Takenouchi, Minoru Furuya, Noriaki Endo, Christine M. Tarby, Wilna Moree, Steven Teig
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Publication number: 20020103173
    Abstract: Compounds expressed by the following general formula (1), 1
    Type: Application
    Filed: January 4, 2002
    Publication date: August 1, 2002
    Applicant: TEIJIN LIMITED
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Publication number: 20020099039
    Abstract: Compounds expressed by the following general formula (1), 1
    Type: Application
    Filed: January 4, 2002
    Publication date: July 25, 2002
    Applicant: TEIJIN LIMITED
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Vitamin D3 derivative and treating agent for inflammatory respiratory disease using same
    Publication number: 20020091109
    Abstract: Compounds expressed by the following general formula (1), 1
    Type: Application
    Filed: January 4, 2002
    Publication date: July 11, 2002
    Applicant: TEIJIN LIMITED
    Inventors: Kazuya Takenouchi, Qingzhi Gao, Kenji Manabe, Ryo Sogawa, Yasuhiro Takano, Seiichi Ishizuka
  • Cyclic amine derivatives and their use as drugs
    Patent number: 6410566
    Abstract: A compound represented by the general formula (I), a pharmaceutically acceptable acid addition salt thereof or a pharmaceutically acceptable C1-C6 alkyl addition salt thereof, and their medical applications. These compounds inhibit the action of chemokines such as MIP-1&agr; and/or MCP-1 on target cells, and are useful as therapeutic and/or preventative drugs in diseases, such as atherosclerosis, rheumatoid arthritis, and the like where blood monocytes and lymphocytes infiltrate into tissues.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: June 25, 2002
    Assignees: Teijin Limited, Dupont Phamaceuticals Company
    Inventors: Tatsuki Shiota, Ken-ichiro Kataoka, Minoru Imai, Takaharu Tsutsumi, Masaki Sudoh, Ryo Sogawa, Takuya Morita, Takahiko Hada, Yumiko Muroga, Osami Takenouchi, Minoru Furuya, Noriaki Endo, Christine M. Tarby, Wilna Moree, Steven Teig
  • Cyclic amine derivatives and their use as drugs
    Patent number: 6362177
    Abstract: A compound represented by the general formula (I), a pharmaceutically acceptable acid addition salt thereof or a pharmaceutically acceptable C1-C6 alkyl addition salt thereof, and their medical applications. These compounds inhibit the action of chemokines such as MIP-1&agr; and/or MCP-1 on target cells, and are useful as therapeutic and/or preventative drugs in diseases, such as atheroclerosis, rheumatoid arthritis, and the like where blood monocytes and lymphocytes infiltrate into tissues.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: March 26, 2002
    Assignees: Teijin Limited, Dupont Pharmaceuticals Research Laboratories
    Inventors: Tatsuki Shiota, Ken-ichiro Kataoka, Minoru Imai, Takaharu Tsutsumi, Masaki Sudoh, Ryo Sogawa, Takuya Morita, Takahiko Hada, Yumiko Muroga, Osami Takenouchi, Minoru Furuya, Noriaki Endo, Christine M. Tarby, Wilna Moree, Steven Teig